TW201712294A - Installation method of dartboard score calculation shielding curtain comprising a shielding curtain arranged along a circumference of a dartboard to block the background for cameras that are installed to detect coordinates of a dark thrown to the dartboard - Google Patents

Abstract

The present invention discloses an installation method of dartboard score calculation shielding curtain, in which a dartboard is first provided on a plane and a first camera is provided to correspond to the dartboard to generate a first viewable zone. A second camera is then provided to correspond to the dartboard to generate a second viewable zone. The second viewable zone and the first viewable zone generate an overlapping area. The shielding curtain is then installed in the overlapping area and surrounding a circumference of the dartboard to block a view other than the dartboard. When a dart is thrown onto the dartboard, the first camera and the second camera simultaneously record an image of the dart on the dartboard in order to acquire coordinates of the dart. The scoring location is then calculated according to the coordinates. The present invention is applicable to hard dart games and in addition to score calculation with the cameras, the background that may make image confusing can be blocked by the shielding curtain in order to clearly detect the scoring location where a dart is thrown.

Description

Setting method of dart target scoring screen

The present invention relates to a dart scoring method, and more particularly to a method for setting a dart target scoring screen for accurately setting a position of a shadow screen when scoring a hard dart target game.

In recent years, with the change of consumption habits and the advancement of technology, more and more consumer electronic products have emerged, such as many shopping malls, restaurants or bars, which provide consumers with consumer electronics such as shooting machines and electronics. Dart machines, etc., there are also general dart targets and darts for users to play. The darts and darts related to darts can be roughly divided into hard darts and soft darts. The corresponding darts are also hard and soft. Hard darts usually require users to score themselves and are easily harmful. Most of the electronic darts currently installed in various consumer places use soft darts, and few use hard darts.

Most of the general electronic darts are soft darts, which are equipped with electronic components in the dart target. The player shoots the darts made of plastic onto the soft dart target, and senses the position of the dart by various sensing principles, such as electromagnetic induction. To calculate the player's score. However, the soft darts are only general leisure darts, mainly made of plastic darts, and the weight is lighter than the metal darts. The user is more difficult to control the accuracy when throwing, and the average user prefers the hard darts, and The official darts competition also uses hard darts. Hard darts are mostly made of hemp fibers. For example, the darts produced in the United Kingdom are made of sisal in Kenya. The darts produced in China are mostly from Qiongma in Hainan Island. The fiber is extruded, and the outer ring is fixed by the iron band. After the dart is pulled out from the disk surface, the dart hole will automatically close, and the service life is much higher than that of the dart board made of other materials, but it cannot be set in the dart target. Inductive electronic components make traditional hard darts need to be scored manually. Many computer scoring technologies using hard darts, such as using a camera to take a dart, are placed at the dart target and sent to a computer for scoring, but the score is easy to calculate because of the complicated background. In order to use long-distance competitions, the accuracy of the score configuration will be greatly reduced, so that the competition or play of the hard darts target still needs to gather the users in a specific area for competition, and the distance scoring is prone to the lack of scoring errors. .

In view of the above-mentioned shortcomings, the present invention provides a shielding screen for a hard dart target, and the screen captures the complicated scene captured by the camera for clear scoring. The present invention discloses a setting method of the dart target scoring screen to clearly calculate the shadow screen. Installation location.

The main object of the present invention is to provide a method for setting a dart target scoring screen, which proposes to install a number of cameras and a shielding surface to minimize the installation range around the dart target, so as to be disposed around the dart target by using the shielding screen, and The camera can clearly and accurately capture the darts and darts target, and then use the computer vision to locate and score the darts, so that the traditional hard darts can also compete and interact with other players through the network, while covering the soft darts. The advantages with hard darts.

Another object of the present invention is to provide a method for setting a dart target scoring screen, which first corrects the dart target by the installed camera, so that the user can adjust the position of the camera or the dart target first to avoid After the dart scoring, the error of the positional deviation of the score will be generated, and the position of the screen will be more precise.

In order to achieve the above object, the present invention provides a method for setting a dart target scoring screen, which comprises the steps of: providing a dart target on a plane; setting a first camera on a plane, the viewing angle of the first camera can be Corresponding to the dart target, a first visible area is generated; at least one second camera is disposed on the plane, and the angle of view of the at least one second camera may generate at least one second visible area corresponding to the dart target, and the at least one second visible area may be the first The visible area generates an intersection area; a shielding screen is disposed on the intersection area, and surrounds at least part of the dart target to block the scene outside the target of the dart; and the dart is projected onto the dart target, the first camera and at least a second The camera can simultaneously record the image of the dart on the dart target to obtain the coordinates of the dart to calculate the score position of the dart on the dart target.

After the first camera is set on the plane, the first camera can perform the alignment correction on the dart target. The method of the alignment correction includes the following steps: setting at least two pairs of bars on the dart target; shooting the dart by the first camera a target; setting at least two pairs of points in the image captured by the first camera; and corresponding at least two pairs of points to the at least two pairs of positions to complete the alignment correction of the dart target.

The purpose, technical contents, features and effects achieved by the present invention will be more readily understood by the detailed description of the embodiments and the accompanying drawings.

In recent years, due to the rise of electronic darts, it has gradually become a social game for people. Most of them are set in bars, which makes the darts competitive and can be quickly promoted with drinking. Therefore, computer-calculated electronic darts gradually replace traditional hard darts. There are also many players in the game. The game of electronic darts is more versatile. It can be combined with video games to make the game more competitive. Therefore, the present invention can form a new type of connection by using a camera, a computer, a hard dart and a shadow screen. The setting method of the dart target scoring screen in the electronic dart machine of the line competition.

The present invention provides a method for setting a dart target scoring screen, which can be used as a device in a setting method by a dart target 10, a plane 11, a dart 12, a first camera 14, a second camera 16, and a shadow screen 18. Please refer to the first figure of the present invention first. As shown in step S10, and referring to FIG. 2A of the present invention, a dart target 10 is provided on a plane 11, and in this embodiment, the dart target 10 is a hard dart target, and then the next step is performed. As shown in step S12, and referring to FIG. 2A of the present invention, a first camera 14 is disposed on the plane 11, and the angle of view of the first camera 14 can generate a first visible area 142 corresponding to the dart target 10. The first viewable area 142 can be divided into a first viewable area foreground 144 and a first viewable area background 146. As shown in step S14, and referring to FIG. 2B of the present invention, at least one second camera is disposed on the plane 11, and the angle of view of the at least one second camera may generate at least one second visible area corresponding to the dart target 10. The at least one second visible area can be combined with the first visible area 142 to generate an intersection area. In this embodiment, a second camera 16 is used as an example, thereby generating a second visible area 162, and the second visible area 162 can be divided. For a second viewable area foreground 164 and a second viewable area background 166, the first viewable area background 146 intersects the range of the second viewable area background 166 and then subtracts the range of the first viewable area foreground 144 from the second viewable area foreground 164. To form a part of the visible area background, which overlaps the edge of the range of the second visible area foreground 164 with the first visible area foreground 144, which is an intersection area, and after finding the intersection area, proceeds to the next step. As shown in step S16, and referring to the second C diagram of the present invention, a shielding screen 18 is disposed on the intersection area and surrounds at least a portion of the dart target 10 to block the scene outside the dart target 10, In the embodiment, the shielding screen 18 is a monochrome shielding screen or a mirror shielding screen, and the shielding screen 18 is sized to satisfy the viewing angles of the first camera 14 and the second camera 16 so that the first camera 14 and the second camera 16 do not record. The area outside the curtain 18 is shielded. As shown in step S18, after the shielding screen 18 is set, the user can compete with the dart target 10 to mount the darts 12. In this embodiment, the dart 12 is a hard dart, and the dart 12 can be projected to the dart target. 10, the arrangement positional relationship of the first camera 14, the second camera 16, the shadow screen 18, the dart target 10, the dart 12, and the plane 11 is as shown in the third figure of the present invention, and please refer to the fourth figure of the present invention. The first camera 14 and the second camera 16 can be connected to a computer 20, and simultaneously record the image of the dart 12 on the dart target 10 to obtain the coordinates of the dart 12, and the computer 20 can follow the first camera 14 and The second camera 16 simultaneously records the darts 12 on the coordinate image of the dart target 10 to calculate the fractional position of the dart 12 on the dart target 10. As shown in step S20, the computer 20 connects to the remote computer 22 that calculates the dart score by means of a network connection to perform a far-end dart score comparison. Users can be in the same area without restrictions, even if the user is far away, they can still use the Internet connection to compete.

In addition to being applicable to the installation of two cameras, the present invention can be installed with more than three cameras. For details of another embodiment of the present invention, please refer to the fifth and sixth figures of the present invention. As shown in step S30, a dart target 10 is provided on a plane 11 and then proceeds to the next step. As shown in step S32, a first camera 14 is disposed on the plane 11, and the angle of view of the first camera 14 can generate a first visible area 142 corresponding to the dart target 10, and the first visible area 142 can be divided into a first visible area foreground. And a first visible area background, followed by the next step. As shown in step S34, when the second cameras 24, 26 are disposed on the plane 11, the viewing angles of the second cameras 24, 26 may generate two second visible regions 242, 262 corresponding to the dart target 10, and the second visible regions. 242, 262 can be divided into two second visible area foreground and two second visible area background, the first visible area background intersection two second visible area background range minus the first visible area foreground intersection second visible area foreground range To form a visible area background 28, the intersection of the visible area background 28 and the first visible area foreground and the second visible area foreground is the intersection area. When the intersection area is found, the next step is performed. . As shown in step S36, the shadow mask 18 is disposed on the intersection area and surrounds the periphery of the dart target 10 to block the scene outside the dart target 10. As shown in step S38, and referring to the seventh figure of the present invention, after the shielding screen 18 is set, the user can perform the competition of the dart target 12 on the dart target 10, that is, the dart 12 can be projected to the dart target 10. The first camera 14 and the second camera 24, 26 can be connected to a computer 20, and simultaneously record the image of the dart 12 on the dart target 10 to obtain the coordinates of the dart 12, and the computer 20 can follow the first The camera 14 and the second camera 24, 26 simultaneously record the darts 12 on the coordinate image of the dart target 10 to calculate the fractional position of the dart 12 on the dart target 10. As shown in step S40, the computer 20 connects the remote computers 22 that calculate the dart scores by different networks to perform remote dart score comparison. The embodiment can be applied to three sets of cameras, and the shielding screen 18 is formed in a circular shape around the dart target 10. Even if a new camera is added, the shielding screen 18 will not be enlarged, but the user can still determine the camera according to the requirements. Quantity.

In addition, the present invention also discloses a method of alignment correction, please refer to the eighth figure and the ninth and ninth B diagrams of the present invention, and refer to the first figure and the fifth figure at the same time, wherein in step S12 In step S32, after the first camera 14 is disposed on the plane 11, the first camera 14 can perform a method of alignment correction of the dart target 10. As shown in step S50, at least two pairs of bars are disposed on the dart target 10. This embodiment takes the two pairs of bars 30a, 30b as an example, and then proceeds to the next step. The dart target 10 is photographed by the first camera 14 as shown in step S52. As shown in step S54, at least two pairs of pixels are set in the image captured by the first camera 14, in the embodiment, the two pairs of the positions 30a, 30b are set as two, and then two pairs of points 32a, 32b are set as an example, and then enter The next step. As shown in step S56, at least two pairs of sites are corresponding to at least two pairs of bars, so in this embodiment, the positions of the two pairs of bars 30a, 30b are correspondingly overlapped to the two pairs of sites 32a, 32b, The alignment correction of the dart target 10 is completed. After the method of alignment correction is performed, the first visible area of the first camera 14 can be generated.

In summary, by installing a camera and connecting with a computer, the function of calculating the dart score and connecting with others can be achieved, and then the design of the screen can make the position of the camera shooting the dart more clear, so the computer calculates The scores will be more accurate, and the present invention provides a method for installing a shadow screen corresponding to different numbers of photographic lenses, and the user can achieve the most simplified installation cost and installation space, and the installation of the shadow screen is applied to the hard type. In addition to the dart target, it can also be applied to a soft dartboard target, which can be used to achieve clear and accurate scoring methods by means of cameras, darts, darts, computers and screens.

The embodiments described above are merely illustrative of the technical spirit and the features of the present invention, and the objects of the present invention can be understood by those skilled in the art, and the scope of the present invention cannot be limited thereto. That is, the equivalent variations or modifications made by the spirit of the present invention should still be covered by the scope of the present invention.

10‧‧‧Dart target
11‧‧‧ plane
12‧‧‧ Darts
14‧‧‧First camera
142‧‧‧First visible area
144‧‧‧First visible area prospects
146‧‧‧First visible area background
16‧‧‧Second camera
162‧‧‧Second visible area
164‧‧‧ Prospects for the second visible area
166‧‧‧Second visible area background
18‧‧‧ shadow screen
20‧‧‧ computer
22‧‧‧ Remote computer
24‧‧‧Second camera
242‧‧‧Second visible area
26‧‧‧Second camera
262‧‧‧Second visible area
28‧‧‧visible area background
30a, 30b‧‧‧ alignment strip
32a, 32b‧‧‧ opposite sites

The first figure is a schematic flow chart of the present invention. The second A, B, and C C diagrams are schematic diagrams of the configuration positions of the present invention for calculating the shadow mask. The third figure is a schematic diagram of the arrangement position of the invention after the shielding screen is set. The fourth figure is a block diagram of the connection architecture used in the present invention. The fifth figure is a schematic flow chart of another embodiment of the present invention. The sixth figure is a schematic diagram of another configuration position of the calculation mask of the present invention. Figure 7 is a block diagram showing another wiring architecture used in the present invention. The eighth figure is a schematic flow chart of the alignment correction of the present invention. The ninth A is a schematic diagram of the image of the first camera before the alignment correction of the present invention. The ninth B is a schematic diagram of the image of the first camera after the alignment correction of the present invention.

10‧‧‧Dart target

11‧‧‧ plane

12‧‧‧ Darts

14‧‧‧First camera

16‧‧‧Second camera

18‧‧‧ shadow screen

Claims (12)

A method for setting a dart target scoring screen comprises the following steps: (a) providing a dart target on a plane; (b) setting a first camera on the plane, the first camera having a viewing angle corresponding to the dart The target generates a first visible area; (c) at least one second camera is disposed on the plane, the viewing angle of the at least one second camera may generate at least one second visible area corresponding to the dart target, and the at least one second visible The area may create an intersection area with the first viewable area; (d) providing a shadow screen on the intersection area and surrounding at least a portion of the dart target to block the scene outside the dart target; and (e) Projecting a dart to the dart target, the first camera and the at least one second camera simultaneously recording an image of the dart on the dart target to obtain a coordinate of the dart to calculate a score of the dart on the dart target position. The method for setting a dart target scoring screen according to claim 1, wherein in the step (e), the first camera and the at least one second camera are connected to a computer, and the computer can be in accordance with the first camera. And capturing the image of the at least one second camera at the same time, and comparing the coordinates of the dart to obtain the score position of the dart on the dart target. The method for setting the dart target scoring screen according to claim 2 further includes a step (f) connecting the computer and the computer for calculating the dart score in different regions by using a network connection to perform the far-end dart score comparison. . The method for setting a dart target scoring screen according to claim 1, wherein in step (c), when the second camera is disposed on the plane, the angle of view of the second camera may correspond to the dart target. Two visible areas, and the two second visible areas can generate the intersection area with the first visible area. The method for setting a dart target scoring screen according to claim 4, wherein in the step (e), the first camera and the second camera are connected to a computer, and the computer can be according to the first camera and The image recorded by the two second cameras at the same time is compared to obtain the coordinate position of the dart to calculate the score position of the dart on the dart target. The method for setting the dart target scoring screen according to claim 5 further includes a step (f) connecting the computer and the computer for calculating the dart score in different regions by using a network connection to perform the far-end dart score comparison. . The method for setting a dart target scoring screen according to claim 1, wherein the dart is a hard dart, and the dart target is a hard dart target. The method for setting a dart target scoring screen according to claim 1, wherein the shielding screen is a monochrome shielding screen or a mirror shielding screen. The method for setting a dart target scoring screen according to claim 1, wherein the first visible area is divided into a first visible area foreground and a first visible area background, and the second visible area is divided into one a second visible area foreground and a second visible area background, wherein the first visible area background intersects the second visible area background and the first visible area foreground intersects the second visible area foreground to form a part The intersection of the visible region background, which overlaps the foreground of the first visible region with the foreground of the second visible region foreground, is the intersection region. The method for setting a dart target scoring screen according to claim 4, wherein the first visible area is divided into a first visible area foreground and a first visible area background, and the second visible area is divided into a second visible area foreground and a second second visible area background, wherein the first visible area background intersects the second visible area background and the first visible area foreground intersects the second visible area foreground The intersection area is formed by forming an area of the visible area, which overlaps the foreground of the range of the foreground of the second visible area with the foreground of the first visible area. The method for setting a dart target scoring screen according to claim 1, wherein after the first camera is disposed in the plane in step (b), the first camera can perform alignment correction on the dart target. The first visible area is generated after the alignment correction method is completed. The method for setting a dart target scoring screen according to claim 11, wherein the method for aligning the alignment further comprises the steps of: setting at least two pairs of bars on the dart target; and capturing the dart by the first camera a target; setting at least two pairs of sites in the image captured by the first camera; and corresponding the at least two pairs of sites to the at least two pairs of bars to complete the alignment correction of the dart target.